For the function \( f(x)=|x^{2}+5 x+1| \), evaluate \( \mathrm{f}(4) \). Which of the following options is correct?
A. \( f(4)= \) (Simplify your answer.)
B. \( f(4) \) is undefined.
C. \( f(-3)= \) (Simplify your answer.)
D. \( f(-3) \) is undefined.